EP0983806A1 - Waschverfahren und waschapparat - Google Patents

Waschverfahren und waschapparat Download PDF

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Publication number
EP0983806A1
EP0983806A1 EP99901142A EP99901142A EP0983806A1 EP 0983806 A1 EP0983806 A1 EP 0983806A1 EP 99901142 A EP99901142 A EP 99901142A EP 99901142 A EP99901142 A EP 99901142A EP 0983806 A1 EP0983806 A1 EP 0983806A1
Authority
EP
European Patent Office
Prior art keywords
washing
washing water
softened
ion
set forth
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99901142A
Other languages
English (en)
French (fr)
Other versions
EP0983806B1 (de
EP0983806A4 (de
Inventor
Fumitake Miz Co. Ltd. SATOH
Kazuyoshi Miz Co. Ltd. ARAI
Kazuhiro Miz Co. Ltd. MIYAMAE
Tomoyuki Miz Co. Ltd. YANAGIHARA
Tatsuya Miz Co. Ltd. NAITOH
Tomoki Miz Co. Ltd. SEO
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Miz Co Ltd
Original Assignee
Miz Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Miz Co Ltd filed Critical Miz Co Ltd
Publication of EP0983806A1 publication Critical patent/EP0983806A1/de
Publication of EP0983806A4 publication Critical patent/EP0983806A4/de
Application granted granted Critical
Publication of EP0983806B1 publication Critical patent/EP0983806B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/046—Salts
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/04—Water-soluble compounds
    • C11D3/10—Carbonates ; Bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/02—Inorganic compounds
    • C11D7/04—Water-soluble compounds
    • C11D7/10—Salts
    • C11D7/12—Carbonates bicarbonates
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F35/00—Washing machines, apparatus, or methods not otherwise provided for
    • D06F35/003—Washing machines, apparatus, or methods not otherwise provided for using electrochemical cells
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/10—Objects to be cleaned
    • C11D2111/12—Soft surfaces, e.g. textile
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/40—Specific cleaning or washing processes
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
    • C11D2111/40—Specific cleaning or washing processes
    • C11D2111/46—Specific cleaning or washing processes applying energy, e.g. irradiation

Definitions

  • the present invention relates to a new washing process and a washing apparatus suitable to washing clothes, tableware, medical equipments and washing hands, etc.
  • Surfactant such as chemicals and soap
  • Inventors of the present invention have proposed a so-called non-detergent washing method by using electrolyzed water as disinfectant detergent. It utilizes a protein removing effect of alkaline electrolytic water obtained by electrolyzing water comprising electrolyte and a disinfection effect of acid electrolytic water, which have been widely noticed as substitution of conventional chemicals and surfactant.
  • the waste water containing the detergent after washing clothes and dishes, etc. excels in being easily handled able to be discharged as it is to the living environment without any special treatment, that is, excels in easy treatment of discharged water.
  • An object of the present invention is to provide a washing process and a washing apparatus having detergency comparable to or more excellent than that of a washing process using conventional detergent, being low at cost, excelling in safety, being easily handled, and thereby the waste water is easily treated.
  • the inventors of the present invention diligently studied washing mechanism and found that it was possible to obtain detergency comparable to detergent of the prior art, such as surfactant, or increased detergency by softening washing water, and with a cleanser effect and adsorptive effect of compositions produced at the time of softening the washing water. They also found that remarkable detergency was attained by softening a solution comprising alkali metal ion and carbonate ion and/or bicarbonate ion.
  • the reference number 4 in FIG. 1 indicates a washing bath and the reference number 5 indicates a faucet of water supply.
  • Tap water is supplied from the faucet 5 to the washing bath 4 via a pipe 41, and the tap water is supplied and stopped by operating a solenoid valve 42 provided to the pipe 41.
  • the operation of the solenoid valve 42 is carried out by an instruction signal from a main control system (main micro-computer) outside the figure.
  • a batch type electrolyzing cell 1 is built in in this washer and a pair of electrode plates 31 and 32 are provided putting a diaphragm (for example, a cation exchange film) between them. Then, an anode electrode is applied to the electrode plate 31 and a cathode electrode is applied to the electrode plate 32, respectively from a micro computer (sub-control system) 6 via a switch outside the figure.
  • the electrolytic solution generated in a cathode chamber 13a being provided with the cathode electrode plate 32 is supplied to the washing bath 4 via a pipe 7a being provided with a solenoid valve 8a.
  • the electrolytic solution generated in an anode electrode chamber 13b being provided with the anode electrode plate 31 is supplied to the washing bath 4 via a pipe 7b being provided a solenoid valve 8b.
  • the control of opening/closing of the solenoid valves 8a and 8b is carried out by an instruction signal from the micro computer 6.
  • a pipe 43 branched from the pipe 41 of the above faucet 7 is provided with a solenoid valve 44, and further branched on the downstream side, and supplies the tap water respectively to the cathode chamber 13a and anode chamber 13b of the electrolyzing cell 1.
  • an electrolyte adding apparatus 9 for adding electrolyte to the respective pipes to the cathode chamber 13a and anode chamber 13b is provided, and a predetermined amount of electrolyte, such as sodium hydrogencarbonate, is supplied to the tap water introduced to the cathode chamber 13a and anode chamber 13b by driving a pump 91.
  • control of opening/closing of the solenoid valve 44 provided to the pipe 43 and driving/stopping of the pump 91 of the electrolyte adding apparatus 9 are carried out by an instruction signal from the micro computer 6.
  • a sensor 10 is provided in the cathode chamber 13a for measuring a pH and EC, and an output signal (pH and EC values) from the sensor 10 is sent to the micro computer 6.
  • the solenoid valve 44 is opened first to supply tap water to the cathode chamber 13a and anode chamber 13b, and the pump 91 is driven at the same time to add electrolyte to the tap water to the cathode chamber and the anode chamber. Then, a voltage is applied to the both electrode plates 31 and 32 and the electrolyzation continues until the pH value and the EC value of the electrolytic solution in the cathode chamber 13a measured by the sensor 10 respectively become predetermined values or more.
  • the washing water is automatically added to the washing bath 4 in this way, so washing items are put in and usual washing is carried out.
  • a discharging valve 45 of the washing bath 4 is open.
  • the electrolytic solution at the anode side may be supplied to the washing bath 4 by opening the solenoid valve 8b to sterilize the laundry and at the same time to neutralize the discharged water.
  • the electrolytic solution generated at the anode side generated in the anode chamber 13b may be kept as it is without being supplied to the washing bath 4 or may be discharged as it is.
  • coagulation agent may be added from the adding apparatus 20 when the total hardness reaches to a predetermined value.
  • a batch type electrolyzing apparatus 1 shown in FIG. 1 was used, after respectively supplying 1 liter of tap water (municipal tap water in Fujisawa city, pH 7.6, EC 17.5mS/m, calcium hardness 55ppm, total hardness 75ppm, water temperature 3.4°C) to the both electrolyzing chambers 13a and 13b, 36g of sodium hydrogencarbonate (NaHCO 3 ) was respectively added to the cathode camber 13a and anode chamber 13b, a voltage was applied so as to flow a constant current of 15A to the both electrode plates, and electrolyzation was carried out for 30 minutes. Note that a cation exchange film was used as a diaphragm and the distance between the electrode plates 31 and 32 was set 5mm.
  • a pH was measured by using a pH meter (trade name of D-13, manufactured by Horiba Ltd.), an EC was measured by using an EC meter (trade name of CM-14P, manufactured by TOA Corporation) and a hardness was measured by using a hardness meter (trade name of WAD-Ca, manufactured by Kyoritu Physical and Chemical Research Institute, measurement accuracy in color comparing mode was 5ppm).
  • electrolytic solution at the cathode side having a pH of 10.55 and an EC of 6000mS/m or more was obtained.
  • washing water before being softened having a pH of 10.7, an EC of 196.1mS/m, a calcium hardness of 40ppm, a total hardness of 60ppm and a water temperature of 20°C was obtained.
  • the obtained washing water before softening had a pH of 10.7, an EC of 205.0mS/m, a calcium hardness of 40ppm, a total hardness of 60ppm, and a water temperature of 20°C.
  • the results thus obtained are shown in Table 2.
  • a washing process of the present invention shows the cleaning effect comparable to or more excellent than that of the commercially available synthetic detergent for washing. Note that the washing water of the Examples 1 to 5 has no problems at all as to safety and treatment of the waste water after washing.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • Textile Engineering (AREA)
  • Detergent Compositions (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
EP99901142A 1998-01-22 1999-01-22 Waschverfahren Expired - Lifetime EP0983806B1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2508598 1998-01-22
JP2508598 1998-01-22
JP28276798 1998-10-05
JP28276798 1998-10-05
PCT/JP1999/000242 WO1999037414A1 (en) 1998-01-22 1999-01-22 Washing process and washing unit

Publications (3)

Publication Number Publication Date
EP0983806A1 true EP0983806A1 (de) 2000-03-08
EP0983806A4 EP0983806A4 (de) 2001-05-02
EP0983806B1 EP0983806B1 (de) 2003-09-03

Family

ID=26362677

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99901142A Expired - Lifetime EP0983806B1 (de) 1998-01-22 1999-01-22 Waschverfahren

Country Status (7)

Country Link
US (2) US6461446B1 (de)
EP (1) EP0983806B1 (de)
KR (1) KR100638135B1 (de)
CN (1) CN1163314C (de)
CA (1) CA2284787A1 (de)
DE (1) DE69910926T2 (de)
WO (1) WO1999037414A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004031337A1 (en) * 2002-10-01 2004-04-15 Radical Waters (Ip) (Pty) Limited Method and biocide for cleaning and sanitation of food production and processing facilities
US6921743B2 (en) 2001-04-02 2005-07-26 The Procter & Gamble Company Automatic dishwashing compositions containing a halogen dioxide salt and methods for use with electrochemical cells and/or electrolytic devices
US7413637B2 (en) 2002-05-17 2008-08-19 The Procter And Gamble Company Self-contained, self-powered electrolytic devices for improved performance in automatic dishwashing
KR100925788B1 (ko) * 2006-10-06 2009-11-11 토와 엔자임 가부시키 가이샤 마이크로 버블 세정용 조성물, 마이크로 버블 세정 방법 및마이크로 버블 세정 장치
WO2013144278A1 (de) * 2012-03-29 2013-10-03 Pro Aqua Diamantelektroden Produktion Gmbh & Co Kg Flüssigkeit auf der basis von wasser, welche in zumindest einer elektrolysezelle elektrolytisch behandelt wird, und verwendung als reinigungs- und/oder desinfektionsmittel

Families Citing this family (21)

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KR100638135B1 (ko) * 1998-01-22 2006-10-24 미즈 가부시키가이샤 세정방법 및 세정장치
TW523547B (en) 1998-10-05 2003-03-11 Miz Co Ltd Method of producing detergent and the apparatus thereof
TW457137B (en) * 1999-04-28 2001-10-01 Sharp Kk Washer having a partial washing apparatus
JP2001192698A (ja) * 1999-11-04 2001-07-17 Toto Ltd 洗浄液、洗浄液生成装置、及び器具洗浄装置
EP1340805A4 (de) 2000-12-05 2004-05-12 Miz Co Ltd Verfahren zum waschen von kleidung sowie waschmittelzusammensetzung dafuer
JP3739293B2 (ja) * 2001-03-15 2006-01-25 シャープ株式会社 洗濯機
DE10136937C1 (de) * 2001-07-28 2003-02-13 Fraunhofer Ges Forschung Elektrokapillare Reinigungsunterstützung in Geschirrspülmaschinen
US7048956B2 (en) * 2002-03-05 2006-05-23 The Penn State Research Foundation Process for antimicrobial treatment of fresh produce, particularly mushrooms
KR100720365B1 (ko) * 2002-08-08 2007-05-22 삼성전자주식회사 세탁기 및 그 제어 방법
CN100412255C (zh) * 2003-07-31 2008-08-20 海尔集团公司 一种洗衣机
US8857223B2 (en) 2003-07-31 2014-10-14 Haier Group Corporation Washing method which has no need of adding detergent by the user and the washing machine thereof
WO2005115242A2 (en) * 2004-05-24 2005-12-08 Equusys, Incorporated Animal instrumentation
US7871518B2 (en) 2006-03-27 2011-01-18 Dbg Group Investments, Llc Apparatus for treating wash water supplied
CN101570932B (zh) 2008-04-29 2012-06-27 海尔集团公司 一种具有改进水路的洗衣机
KR20130135288A (ko) * 2010-12-24 2013-12-10 유니레버 엔.브이. 응집 방법 및 장치
AT512231B1 (de) * 2011-11-15 2018-06-15 Pro Aqua Diamantelektroden Produktion Gmbh & Co Kg Badewasser und verfahren zur herstellung
CN106795457A (zh) * 2014-10-08 2017-05-31 陶氏环球技术有限责任公司 就地清洗并入洗涤机中的膜滤器模块用的清洗配方
US9193607B1 (en) 2015-02-17 2015-11-24 Maxia Investments, LLC Water treatment for high-efficiency cleaning
US10323349B2 (en) * 2015-09-25 2019-06-18 Kyoudojyutaku Co., Ltd. Washing system
CN108221273A (zh) * 2017-09-27 2018-06-29 朱上翔 一种利用高浓度活化离子水进行工业洗涤的方法和装置
BE1028882B1 (de) * 2020-12-14 2022-07-12 Miele & Cie Verfahren zum Betreiben eines wasserführenden elektrischen Geräts und wasserführendes elektrisches Gerät

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KR100638135B1 (ko) * 1998-01-22 2006-10-24 미즈 가부시키가이샤 세정방법 및 세정장치

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6921743B2 (en) 2001-04-02 2005-07-26 The Procter & Gamble Company Automatic dishwashing compositions containing a halogen dioxide salt and methods for use with electrochemical cells and/or electrolytic devices
US7413637B2 (en) 2002-05-17 2008-08-19 The Procter And Gamble Company Self-contained, self-powered electrolytic devices for improved performance in automatic dishwashing
US7816314B2 (en) 2002-05-17 2010-10-19 The Procter & Gamble Company Automatic dishwashing compositions and methods for use with electrochemical cells and/or electrolytic devices
WO2004031337A1 (en) * 2002-10-01 2004-04-15 Radical Waters (Ip) (Pty) Limited Method and biocide for cleaning and sanitation of food production and processing facilities
KR100925788B1 (ko) * 2006-10-06 2009-11-11 토와 엔자임 가부시키 가이샤 마이크로 버블 세정용 조성물, 마이크로 버블 세정 방법 및마이크로 버블 세정 장치
WO2013144278A1 (de) * 2012-03-29 2013-10-03 Pro Aqua Diamantelektroden Produktion Gmbh & Co Kg Flüssigkeit auf der basis von wasser, welche in zumindest einer elektrolysezelle elektrolytisch behandelt wird, und verwendung als reinigungs- und/oder desinfektionsmittel

Also Published As

Publication number Publication date
EP0983806B1 (de) 2003-09-03
CA2284787A1 (en) 1999-07-29
EP0983806A4 (de) 2001-05-02
US6461446B1 (en) 2002-10-08
CN1163314C (zh) 2004-08-25
US6596092B1 (en) 2003-07-22
KR100638135B1 (ko) 2006-10-24
DE69910926T2 (de) 2004-07-22
KR20010005682A (ko) 2001-01-15
CN1255880A (zh) 2000-06-07
WO1999037414A1 (en) 1999-07-29
DE69910926D1 (de) 2003-10-09

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